Ticket #55583: patch-build-shared+static.diff

CMakeLists.txt

@@ -3 +3 @@
 
 # BUILD_SHARED_LIBS is a standard CMake variable, but we declare it here to make
 # it prominent in the GUI.
-option(BUILD_SHARED_LIBS "Build shared libraries(DLLs)." OFF)
+# option(BUILD_SHARED_LIBS "Build shared libraries(DLLs)." OFF)
 
 option(SNAPPY_BUILD_TESTS "Build Snappy's own tests." ON)
 
@@ -72 +72 @@
   "${PROJECT_SOURCE_DIR}/snappy-stubs-public.h.in"
   "${PROJECT_BINARY_DIR}/snappy-stubs-public.h")
 
-add_library(snappy "")
+add_library(snappy SHARED "")
 target_sources(snappy
   PRIVATE
     "${PROJECT_SOURCE_DIR}/snappy-internal.h"
@@ -108 +108 @@
   set_target_properties(snappy PROPERTIES WINDOWS_EXPORT_ALL_SYMBOLS ON)
 endif(BUILD_SHARED_LIBS)
 
+add_library(staticlib STATIC "")
+target_sources(staticlib
+  PRIVATE
+    "${PROJECT_SOURCE_DIR}/snappy-internal.h"
+    "${PROJECT_SOURCE_DIR}/snappy-stubs-internal.h"
+    "${PROJECT_SOURCE_DIR}/snappy-c.cc"
+    "${PROJECT_SOURCE_DIR}/snappy-sinksource.cc"
+    "${PROJECT_SOURCE_DIR}/snappy-stubs-internal.cc"
+    "${PROJECT_SOURCE_DIR}/snappy.cc"
+    "${PROJECT_BINARY_DIR}/config.h"
+
+  # Only CMake 3.3+ supports PUBLIC sources in targets exported by "install".
+  $<$<VERSION_GREATER:CMAKE_VERSION,3.2>:PUBLIC>
+    $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/snappy-c.h>
+    $<INSTALL_INTERFACE:include/snappy-c.h>
+    $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/snappy-sinksource.h>
+    $<INSTALL_INTERFACE:include/snappy-sinksource.h>
+    $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/snappy.h>
+    $<INSTALL_INTERFACE:include/snappy.h>
+    $<BUILD_INTERFACE:${PROJECT_BINARY_DIR}/snappy-stubs-public.h>
+    $<INSTALL_INTERFACE:include/snappy-stubs-public.h>
+)
+target_include_directories(staticlib
+  PUBLIC
+    $<BUILD_INTERFACE:${PROJECT_BINARY_DIR}>
+    $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}>
+    $<INSTALL_INTERFACE:include>
+)
+set_target_properties(staticlib
+    PROPERTIES  VERSION ${PROJECT_VERSION} SOVERSION ${PROJECT_VERSION_MAJOR}
+                OUTPUT_NAME snappy
+)
+
+target_compile_definitions(staticlib PRIVATE -DHAVE_CONFIG_H)
+
 if(SNAPPY_BUILD_TESTS)
   enable_testing()
 
@@ -141 +176 @@
 endif(SNAPPY_BUILD_TESTS)
 
 include(GNUInstallDirs)
-install(TARGETS snappy
+install(TARGETS snappy staticlib
   EXPORT SnappyTargets
   RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
   LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}